Episode Pictures (22)

Recap

At the Cheesecake Factory, Raj chastises his friends for missing his murder mystery dinner party. Raj tells them he has something better planned, a scavenger hunt. The gang is excited and agrees to take part, though Sheldon wonders whether they're just tricking Koothrappali again. Later, in the apartment, Raj introduces the scavenger hunt and tells the guys to split into teams of two. The guys were going to do it as couples, but Leonard suggests they change things up - signalling he doesn't want Penny on his team. After picking names from a hat, the teams are Sheldon and Penny, Howard and Amy, and Leonard and Bernadette.

The teams are set a puzzle, literally, and work to put it together. Sheldon dithers over the puzzle, refusing to listen to Penny who tells him it's the comic book store. Bernadette snappily hurries Leonard along. As they drive to the comic book store, Leonard asks Bernadette if she thinks Penny's mad at him. Howard and Amy realize they've never really been alone together. Amy supposes it's because they don't have much in common, but they are soon bonding over a shared love of Neil Diamond. At the comic book store, Raj congratulates Amy and Howard on being the first time to arrive. After being set a riddle, the teams rush out of the comic book store.

In a geology lab at the university, Sheldon and Penny search for the next clue. Penny solves the clue, "leave no stone unturned", realizing it referred to a Rolling Stones poster. Sheldon reads the co-ordinates hidden behind the poster and they rush out. Meanwhile, Howard and Bernadette sing Neil Diamond as they drive to their next clue. As Bernadette speedily drives Leonard's car to their next riddle, Leonard worries that Penny isn't responding to his texts. Leonard considers quitting but Bernadette says this would make him seem like something Penny already thinks he is - a name that usually applies to a lady part or a cat.

Sheldon is impressed when the co-ordinates lead him and Penny to a bowling alley. Meanwhile, Howard and Amy are still singing Neil Diamond when they arrive at the geology lab. Later, Sheldon and Penny are the first ones to arrive in the laundry room, where they find three bags of dirty laundry. When Sheldon points out there's one of his shirts in the laundry bag, featuring a spot on it, Penny figures out it refers to Sheldon's spot on the couch. After the teams rush up the stairs, they're stumped not to the find the winning coin in Sheldon's spot.

Raj tells the guys to check their pocket. He slipped a coin in each of their pockets earlier today, as they're all winners when they're having fun together. Leonard and Bernadette are unimpressed and Penny threatens Raj, leading him to run out of the apartment. Sheldon, however, is happy to find the winning coin in his pocket. Later, Howard and Bernadette sing Neil Diamond on karaoke night.